GPS tracker



FIG. 1 is a perspective view of GPS tracker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the Figures are for illustrative purposes and form no part of the claimed design. 

The ornamental design for GPS tracker, as shown and described. 